UPD72001C-11 View Datasheet(PDF) - NEC => Renesas Technology
Part Name
Description
MFG CO.
'UPD72001C-11' PDF : 40 Pages View PDF
µPD72001-11, 72001-A8
Communication control:
Parameter
Symbol
Condition
Transmit enable command (WR ↑,
CTS ↓) → TXD delay time
Receive enable command (DCD ↓)
setup time (vs. start bit, STRXC ↑,
TRXC ↑ of sync character)Note
Receive enable command (DCD ↓)
hold time (vs. STRXC ↑, TRXC ↑)Note
tDTETD1
tDTETD2
tSRERC
tHRCRE1
tHRCRE2
ASYNC, COP
BOP
ASYNC
COP
tHRCRE3
BOP
Receive clock (STRXC, TRXC)Note
hold time (vs. start bit, MSB of CRC,
MSB of end flag)
Receive clock (STRXC, TRXC)Note
setup time (vs. start bit, sync character)
tHRDRC1
tHRDRC2
tHRDRC3
tSRCRD1
tSRCRD2
ASYNC
COP
BOP
ASYNC
COP, BOP
Rated Value
MIN. MAX.
3
4
7
1
Unit
tCYC
tCYC
tCYC
7
tCYK
20 tCYC
+ 8tCYK
3tCYC
+ 8tCYK
1
Bit
22
tCYC
5
tCYC
1
Bit
1
tCYC
Note Of STRXC and TRXC, the one used as the receive clock.
Crystal oscillation and reset:
Parameter
XI1 input cycle time
RESET pulse width
Symbol
Condition
tCYX
tWRSL
TA = –10 to +70 °C
TA = –40 to +85 °C
Rated Value
Unit
MIN. MAX.
125 1000
ns
140 1000
2
tCYK
Caution The system clock cycle in all modes must be five times that of the data rate.
24
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